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发明名称
Perfectionnements aux soupapes obturatrices à double olapet
摘要
申请公布号
FR760139(A)
申请公布日期
1934.02.16
申请号
FRD760139
申请日期
1933.08.28
申请人
COCKBURNS LIMITED
发明人
MACNICOLL DONALD
分类号
F16K1/44
主分类号
F16K1/44
代理机构
代理人
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地址
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